9791116613776 has 45 divisors (see below), whose sum is σ = 19070946980883. Its totient is φ = 4869718397280.

The previous prime is 9791116613749. The next prime is 9791116613857. The reversal of 9791116613776 is 6773166111979.

The square root of 9791116613776 is 3129076.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2490742531 + ... + 2490746461.

Almost surely, 2^{9791116613776} is an apocalyptic number.

9791116613776 is the 3129076-th square number.

It is an amenable number.

9791116613776 is a deficient number, since it is larger than the sum of its proper divisors (9279830367107).

9791116613776 is an frugal number, since it uses more digits than its factorization.

9791116613776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 4132 counting only the distinct ones).

The product of its digits is 18003384, while the sum is 64.

Multiplying 9791116613776 by its sum of digits (64), we get a square (626631463281664 = 25032608²).

The spelling of 9791116613776 in words is "nine trillion, seven hundred ninety-one billion, one hundred sixteen million, six hundred thirteen thousand, seven hundred seventy-six".